package reflect;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Scanner;

public class ReflectDemo4 {
    public static void main(String[] args) throws InvocationTargetException, IllegalAccessException, NoSuchMethodException, InstantiationException, ClassNotFoundException {
//        person p = new person();
//        p.sayHello();
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入类名：");
        String className = scanner.nextLine();
        System.out.println("请输入方法名：");
        String methodName = scanner.nextLine();

        //实例化
//        Class cls = Class.forName("reflect.person")
        Class cls = Class.forName(className);
        Object obj = cls.newInstance();


        //调用方法
        //1.获取待调用方法的方法对象
//        Method method = cls.getMethod("sayHello");
        Method method = cls.getMethod(methodName);
        //2，通过方法对象来调用此方法
        method.invoke(obj);


    }
}
